Home / 4,078.37-6,117.95-1,304.34

Finding the Fourth Proportional to 4,078.37, 6,117.95 and 1,304.34

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Solution

The fourth proportional to 4,078.37, 6,117.95 and 1,304.34 is: 1,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.37 : 6,117.95 = 1,304.34 : x
  2. Step 2: Convert to fraction form
    4,078.37/6,117.95 = 1,304.34/x
  3. Step 3: Cross multiply
    4,078.37x = 6,117.95 × 1,304.34
  4. Step 4: Simplify right side
    4,078.37x = 7,979,890.16
  5. Step 5: Solve for x
    x = 7,979,890.16/4,078.37
  6. Step 6: Final answer
    x = 1,956.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.